80225520 has 160 divisors (see below), whose sum is σ = 263983104. Its totient is φ = 20121600.

The previous prime is 80225507. The next prime is 80225521. The reversal of 80225520 is 2552208.

It is a super-2 number, since 2×80225520² = 12872268118540800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80225521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304909 + ... + 305171.

Almost surely, 2^80225520 is an apocalyptic number.

80225520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80225520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131991552).

80225520 is an abundant number, since it is smaller than the sum of its proper divisors (183757584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80225520 is a wasteful number, since it uses less digits than its factorization.

80225520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 80225520 is about 8956.8699890084. The cubic root of 80225520 is about 431.2914482321.

Adding to 80225520 its reverse (2552208), we get a palindrome (82777728).

The spelling of 80225520 in words is "eighty million, two hundred twenty-five thousand, five hundred twenty".